Mine Legislation And General Safety - Study Mode

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[#251] A coal barrier of not less than . . . . . . . . meters in thickness shall be maintained in the seams from old bore holes and present working of the mine from where exploration of methane is in progress

(A) 100

(B) 150

(C) 180

(D) 200

Correct Answer

(B) 150

[#252] Every zone formed shall be divided into . . . . . . . . equal sections, for check on measures for dust control.

(A) 1

(B) 2

(C) 3

(D) 4

Correct Answer

(C) 3

[#253] What should be the maximum period for remaining inside the mine for doing rescue work using breathing apparatus?

(A) 0.5 hr

(B) 1.5 hr

(C) 2 hr

(D) 2.5 hr

Correct Answer

(B) 1.5 hr

[#254] What is the scale of accommodation of latrine for females in mines?

(A) one seat for every 25 persons employed

(B) one seat for every 50 persons employed

(C) one seat for every 75 persons employed

(D) one seat for every 100 persons employed

Correct Answer

(B) one seat for every 50 persons employed

[#255] No person shall work or travel on any ledge or foot path less than . . . . . . . . meters wide from where he is likely to fall more than . . . . . . . . unless he is protected by guard rails fence or safety belt or rope suitably fixed and sufficiently strong to prevent him from falling.

(A) 1.9, 1.4

(B) 1.5, 1.8

(C) 2, 2.4

(D) 3.5, 4.2

Correct Answer

(B) 1.5, 1.8